Filling-carrier for loom-shuttles.



No. 764,214. PATENTED JULY 5, 1904.

W. I. STIMPSON.

FILLING CARRIER FOR LOOM SHUTTLBS.

APPLICATION FILED JAN. 22, 1504.

N0 MODEL.

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engaged and. held in position in the shuttle by is applied thereto.

UNITED STATES Patented July 5, 190a.

PATENT OFFICE.

WALLACE I. STIMPSON, OF MILFORD, MASSACHUSETTS, ASSIGNOR TO DRAPER COMPANY, OF HOPEDALE, MASSACHUSETTS, A CORPORA- TION OF MAINE.

FILLING-CARRIER FOR LOOlVl-S HUTTLES.

SPECIFICATION forming part of Letters Patent No. 764,214, dated July 5, 1904.

Application filed January 22, 1904.

To all whom/zit may concern:

Be it known that I, WALLAon I. STIMPSON, a citizen of the United States, residing at Milford, in the county of Worcester and State of Massachusetts, have invented an Improvement in Filling-Carriers for Loom-Shuttles, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention relates particularly to filling-carriers for loom-shuttles of the type wherein the head of the filling-carrier is provided with annular ribs or projections to be separable spring-jaws mounted in the shuttle. Usually such projections are made as split metallic rings seated in shallowannular grooves in the head of the filling-carrier and by their spring action remaining in position. The filling-carriers or bobbins are generally made of wood, and very considerable trouble has been experienced by the loosening of the metallic rings on the head of the filling-carrier due to shrinkage of the wood, so that the filling-carrier must be provided with new rings or wholly discarded. The dampening of the yarn causes the WOOCl to swell, expanding the rings, and when the wood dries out it shrinks, the constant changes thus produced alternately causing so much looseness of the rings that the filling-carrier will not be held properly in the shuttle.

My present invention has for its object the production of simple and effective means for overcoming the effects of swelling or shrinking of the wood of the filling-carriers, so that the rings will always have a firm hold on the head.

Figure 1 is a side elevation of a lilling-carrier embodying one form of my present invention. Fig. 2 is a longitudinal section thereof on the line'2 2, Fig. 1; and Fig. 3 is a sectional detail of the head before the reinforce The filling-carrier or bobbin F, or wellknown construction and usually made of Serial No. 190,122. \No model.)

wood, is provided with a tubular head F, its external surface having annular shallow grooves f formed therein (see Figs. 2 and 3') between the outer endof the head and the shoulder f" between the opposite end of the head and the barrel of the bobbin. As shown in Figs. 2 and 3, the outer end of the head is counterbored, as at f, the head tapering externally toward such outer end, and in longitudinal section the head presents a corrugated exterior. The grooves f alternate with ribs or projections f to present the corrugated surface. Athin metallic sleeve or reinforce 1 is applied to and surrounds the head and is suitably compressed thereupon to conform to the external configuration of the head, whereby annular depressions or seats 2 are formed in the sleeve. Metallic spring or split rings 3 are snapped into the seats 2, being separated by the higher portions or ribs 4 of the sleeve, which latter acts as a reinforce for the head and a firm support for the rings. The metal sleeve cannot shrink and retains its original size and contour irrespective of the shrinkage of the material of the bobbin, so that the rings 3 will always have a lirm hold or grip. 1 effect the compression of the metal sleeve very easily and conveniently by spinning it upon the bobbin-head, and the outer end. of the sleeve is preferably overturned and spun into the counter-bored outer end of the head, as clearly shown at 5, Fig. 2. The sleeve is thus made to conform to the external configuration of the head and cannot move longitudinally thereon. In order to prevent any rotativemovementof the sleeve should the bobbin shrink abnormally, I may by a prickpunch upset and drive into the material of the head a bur or prong 6, as shown in the drawings. The metallic sleeve or reinforce is made of thin and light metal, and so adds very little to the weight of the bobbin, while the life of the latter is thereby greatly increased,

for so long as the rings 3 have a firm hold on the head they will act properly when engaged by the jaws in the shuttle. The reinforce also serves to brace and strengthen the head of the filling-carrier and practically obviates any tendency thereof to split.

Modifications or changes may be made by those skilled in the art Without departing from the spirit and scope of my invention, one practical embodiment thereof being herein shown and described.

Having described my invention, What I claim, and desire to secure by Letters Patent,

1. A non-metallic filling-carrier for loomshuttles having a metal sleeve surrounding and secured to its head and provided With external annular seats, and metallic holding rings mounted in said annular seats.

2. A non-metallic filling-carrier for loomshuttles having a thin metal sleevesurrounding and compressed upon its head and provided With external annular seats, and metallic split rings snapped into the seats.

3. A non-metallic filling-carrier for loomshuttles having its head annularly corrugated externally, a thin metal sleeeve surrounding and conforming to the external contour of the head, to present alternating annular depressions and ribs, and metallic holding rings seated in the depressions.

A non-metallic filling-carrier for loomshuttles having its head annularly corrugated externally, a thin metal sleeve surrounding and spun upon the head to conform to the contour thereof, and metallic rings sprung into the seats formed by the annular depressions in the sleeve.

5. A filling-carrier for loom-shuttles, having its head provided With a plurality of annular grooves, a metallic sleeve surrounding and compressed upon the head to conform to the configuration of its external surface, and metallic rings seated in the annular depressions thereby formed in the sleeve.

6. A Wooden filling-carrier for loom-shuttles, having a tubular head provided With annular grooves and counterbored at its outer end, a metal sleeve surrounding and compressed upon the head to conform to its contour and inturned around its counterbored end, and metallic spring-rings seated in the annular depressions presented by the sleeve.

'7. A Wooden filling-carrier for loom-shuttles having its head annularly corrugated, a metallic reinforce surrounding and spun upon the head to conform to its configuration, means to prevent rotation of said reinforce on the head, and metal rings seated in the seats formed by the annular depressions in said reinforce.

In testimony whereof I have signed my name to this specification in the presence of tWo subscribing Witnesses.

WALLACE I. STIMPSON.

itnesscs:

GEORGE OTIS DRAPER, ERNEST XV. WooD. 

